MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1391a6c61ca35308ed8d433404f0c76904c12576186f4fc8bbdfe66a7025b11. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1391a6c61ca35308ed8d433404f0c76904c12576186f4fc8bbdfe66a7025b11
SHA3-384 hash: 6aa3b6ea635c06eec8ff0cd97cd5217565017020d30ce347ebafdb111ca62cf088ef0796fc65dc2b08aa0677b93d6f08
SHA1 hash: 490cc23d22e9468878d492651dbabc1bb4ebe5b2
MD5 hash: 9ba7c6d861477b8c79d803ceb1e5c8db
humanhash: ack-shade-lamp-failed
File name:18062022.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:887'808 bytes
First seen:2022-06-20 05:56:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:qWjdrGUsfkfREMp9uQ3LisVqo7gEF7wal1oV9bmpQmAAcgZcEGsYH37TkX+rtMtp:ZrJQkfREq9u87/Z4aKmAtgZYsYrQXp
TLSH T1C415D0AC3260F5DEC44B9AB2C8681CF0A9207C27D706C11764573E5DBA7E7DB8E056A3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/281428/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.19314.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
50%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b00c31f4dd1ffb77a2b53b/reports/543d2964-752d-474b-a033-352769dfc22d/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9c5ce6f-5483-468b-b55c-0719ee0b6d88
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016080
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 648576 Sample: 18062022.exe Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 33 www.eduba45.com 2->33 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 6 other signatures 2->49 11 18062022.exe 3 2->11         started        15 explorer.exe 10 2->15         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\18062022.exe.log, ASCII 11->31 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 17 18062022.exe 11->17         started        signatures6 process7 signatures8 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 39 Sample uses process hollowing technique 17->39 41 Queues an APC in another process (thread injection) 17->41 20 explorer.exe 17->20 injected process9 process10 22 chkdsk.exe 20->22         started        signatures11 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        27 explorer.exe 71 22->27         started        process12 process13 29 conhost.exe 25->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e1391a6c61ca35308ed8d433404f0c76904c12576186f4fc8bbdfe66a7025b11/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-18 02:26:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4e4ru3dbzi2tbdwy2qzuatymo2ieyesxmgdpj7elxx7gnjyclmiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:5iu5 loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220620-gnk29safa3/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
b79de430ebf3859eb44a9fc02cde90de6887a29b54ed9be8b756a48cc49f970b
MD5 hash:
80a7b66bb70d9a702cea30e5c4784008
SHA1 hash:
63718b3bbbd2a5329dec97db9742e710e13a525f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/790eede8-97aa-42fc-82c3-3c916c20d09a/
Parent samples :
e1391a6c61ca35308ed8d433404f0c76904c12576186f4fc8bbdfe66a7025b11
fc07bf18c9c746603c0d18aa62d6b7e8d34929232c1e754930164a14515f6db1
21b0f1e4002050ed921e77fdb9720b946e7060e3547932b2675cb42930f1b1ac
SH256 hash:
dd63a8dff4ba58b18b5d4ebc019672abfbb2f3ab24275454fb84e5cc12c81c32
MD5 hash:
fbae16463c4b3770df8974dd5146eb29
SHA1 hash:
6c002fc205a7be72e15766a02e4d49b95849a281
Link:
https://www.unpac.me/results/790eede8-97aa-42fc-82c3-3c916c20d09a/
SH256 hash:
84238dc32dc2c72716d7233f509b43a45617e2a24ca07eecda58ae37a704b90b
MD5 hash:
1d6115ad56b1707c8afa1a65f22afc96
SHA1 hash:
58cbf25298e84cf9d91da78ae370ac5ddbb2c3fd
Link:
https://www.unpac.me/results/790eede8-97aa-42fc-82c3-3c916c20d09a/
SH256 hash:
663c72ddd9c7a4b0729853a4521124a958b9dea13cc2a5000fb0cb47143c6abf
MD5 hash:
c7f50dbb3b04714190758967f4ec97e2
SHA1 hash:
11cf6cb79c093176cff9e1005a12992c21c5267f
Link:
https://www.unpac.me/results/790eede8-97aa-42fc-82c3-3c916c20d09a/
SH256 hash:
e1391a6c61ca35308ed8d433404f0c76904c12576186f4fc8bbdfe66a7025b11
MD5 hash:
9ba7c6d861477b8c79d803ceb1e5c8db
SHA1 hash:
490cc23d22e9468878d492651dbabc1bb4ebe5b2
Link:
https://www.unpac.me/results/790eede8-97aa-42fc-82c3-3c916c20d09a/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e1391a6c61ca/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/e1391a6c61ca35308ed8d433404f0c76904c12576186f4fc8bbdfe66a7025b11

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe e1391a6c61ca35308ed8d433404f0c76904c12576186f4fc8bbdfe66a7025b11

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/281428/

Comments